A growing seedling is kept in the dark room. A burning candle is placed near it for a few days. The tip part of the seedling bends towards the burning candle. This is an example of
A
Thigmotropism
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B
Chemotropism
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C
Geotropism
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D
Phototropism
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Solution
The correct option is D Phototropism Phototropism is the phenomenon by which the plant bends in the direction of light. Light is required by the plants to stimulate energy production by the process of photosynthesis.